1040020481 has 2 divisors, whose sum is σ = 1040020482. Its totient is φ = 1040020480.

The previous prime is 1040020469. The next prime is 1040020493. The reversal of 1040020481 is 1840200401.

It is a balanced prime because it is at equal distance from previous prime (1040020469) and next prime (1040020493).

It can be written as a sum of positive squares in only one way, i.e., 884170225 + 155850256 = 29735^2 + 12484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040020481 - 2²⁶ = 972911617 is a prime.

It is a super-2 number, since 2×1040020481² = 2163285201798942722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1040020181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520010240 + 520010241.

It is an arithmetic number, because the mean of its divisors is an integer number (520010241).

Almost surely, 2^1040020481 is an apocalyptic number.

It is an amenable number.

1040020481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040020481 is an equidigital number, since it uses as much as digits as its factorization.

1040020481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1040020481 is about 32249.3485360557. The cubic root of 1040020481 is about 1013.1660545835.

Adding to 1040020481 its reverse (1840200401), we get a palindrome (2880220882).

The spelling of 1040020481 in words is "one billion, forty million, twenty thousand, four hundred eighty-one".